CN208981313U - One kind being suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall - Google Patents

One kind being suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall Download PDF

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Publication number
CN208981313U
CN208981313U CN201821405622.2U CN201821405622U CN208981313U CN 208981313 U CN208981313 U CN 208981313U CN 201821405622 U CN201821405622 U CN 201821405622U CN 208981313 U CN208981313 U CN 208981313U
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China
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erratic boulder
drilling
diaphram wall
ovum gravel
soft
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CN201821405622.2U
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Inventor
蔡锐
姜美杰
杨帆
刘乐天
张波涛
宋良利
杨广钊
王俊航
杨东宝
朱秀坤
李龙飞
王凯
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Beijing Municipal Construction Co Ltd
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Beijing Municipal Construction Co Ltd
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Abstract

The utility model discloses one kind to be suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, including perpendicular drilling, diaphram wall foundation trench and diaphram wall, the perpendicular drilling is arranged at groove location, is formed after softer ovum gravel erratic boulder stratum hollows out at groove location by chute forming machine;By applying perpendicular drilling in chute forming machine grab bucket position, so that grab bucket can more easily enter harder ovum gravel erratic boulder stratum along perpendicular drilling, accelerate the grooving speed of ground-connecting-wall, reduce chute forming machine abrasion, reduce the construction cost of particular formation ground-connecting-wall, meanwhile perpendicular drilling can guide chute forming machine to carry out grooving operation, reduce ground-connecting-wall invades limit.The perpendicular drilling of brill is applied before grooving, chute forming machine grab bucket drills into stratum along perpendicular, the difficulty that chute forming machine enters stratum can be significantly reduced, improve speed of application, reduce the abrasion of chute forming machine, and perpendicular drilling is capable of providing certain guide function, and reduce grooving stage ground-connecting-wall invades limit, reduces the construction cost of ground-connecting-wall.

Description

One kind being suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall
Technical field
The utility model relates to construction of diaphragm wall fields, more specifically, it relates to which a kind of be suitable for soft or hard unevenness Ovum gravel erratic boulder stratum diaphram wall.
Background technique
The foundation pit of urban track traffic subway station and building typically belongs to the ground of " upper soft lower hard " when excavating Layer, due to stratum strength of hard rock height, continuous wall trench underground is difficult, and traditional chute forming machine hydraulic grab is difficult to direct grooving, needs Impact drill cooperates chute forming machine grooving.This often inefficient, the problem of schedule delays, cannot solve always, and increase is constructed into This while diaphram wall to invade limit problem also very serious.
With the development of the times, base pit engineering quantity is more and more, and traditional continuous wall trench underground construction is soft or hard in processing Construction period is often not achieved when uneven ovum gravel erratic boulder stratum, and precision cannot be guaranteed.There is an urgent need to a kind of new engineering methods To change the status that continuous wall trench underground falls behind.
Utility model content
In view of the deficienciess of the prior art, accelerating the purpose of this utility model is to provide a kind of in hard soft or hard uneven ovum Gravel erratic boulder stratum construction of diaphragm wall progress and reduces diaphram wall and invade limit.Construct diaphram wall foundation trench top compared with When soft ovum gravel erratic boulder stratum, directly constructed to solve the problems mentioned in the above background technology using chute forming machine.
To achieve the above object, the utility model provides the following technical solutions:
One kind is suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, including perpendicular drilling, diaphram wall foundation trench and Diaphram wall, the quantity of the perpendicular drilling is multiple and setting is at groove location, at groove location by chute forming machine in softer ovum gravel Erratic boulder stratum is formed after hollowing out, and softer ovum gravel erratic boulder stratum bottom is equipped with harder ovum gravel erratic boulder stratum, harder ovum gravel erratic boulder stratum It is set as soft or hard strata interface between softer ovum gravel erratic boulder stratum, erecting drilling top is soft or hard strata interface, also, described The entire depth of perpendicular drilling diaphram wall foundation trench along harder ovum gravel erratic boulder stratum extends, and diaphram wall builds the company of being located in the ground In continuous wall base slot.
The construction of the diaphram wall includes softer ovum gravel erratic boulder stratum grooving, is drilled with perpendicular drilling, harder ovum gravel erratic boulder Layer grabs four steps of native grooving and construction of diaphragm wall, and it is suitable for soft or hard uneven big partial size ovum gravel erratic boulder stratum underground Lian Qiang Grooving, the speed of application by this particular formation diaphragm wall can be significantly improved, and ground-connecting-wall grooving can be greatly improved Precision, that reduces ground-connecting-wall invades limit;After the construction compared with soft formation, when into harder ovum gravel erratic boulder, before grooving, first in grooving Machine two sides grab bucket lower position applies two, brill perpendicular drillings, and affiliated perpendicular drilling extends along the entire depth of stratum ground-connecting-wall foundation trench.
After the perpendicular drilling construction, chute forming machine grab bucket is erected with drilling into harder ovum gravel erratic boulder respectively along described two Layer carries out grabbing native grooving.
As further program of the utility model, after the softer ovum gravel erratic boulder stratum is hollowed out, directly using at Scouring machine carries out grooving operation, bores the perpendicular drilling of multiple extensions applying at groove location, the perpendicular drilling is along harder ovum gravel erratic boulder stratum The entire depth of diaphram wall foundation trench extends.
As further program of the utility model, the perpendicular drilling apply boring by rotary drilling rig to be formed.
As further program of the utility model, the perpendicular drilling all constructs to be formed using bouncing of drilling tool.
As further program of the utility model, 0.8 meter of the aperture of the perpendicular drilling, the adjacent perpendicular spacing of wells 2~3 Rice.
As further program of the utility model, the quantity of the perpendicular drilling is two and is located at the grab bucket of chute forming machine two sides Lower position.
As further program of the utility model, the diaphram wall foundation trench is grabbed bucket by chute forming machine two respectively along adjacent It is perpendicular drill into harder ovum gravel erratic boulder stratum and grab native grooving formed.
As further program of the utility model, the model LQ series continuous wall trench underground machine of the chute forming machine or XG360。
As further program of the utility model, model DR-100, XY-1 or KT-22 of the rotary drilling rig.
In conclusion the utility model has the advantages that compared with prior art
The utility model is by applying perpendicular drilling in chute forming machine grab bucket position, so that grab bucket can more be held along perpendicular drilling Easily enter harder ovum gravel erratic boulder stratum, accelerate the grooving speed of ground-connecting-wall, reduces chute forming machine abrasion, with reducing particular formation The even construction cost of wall, meanwhile, perpendicular drilling can guide chute forming machine to carry out grooving operation, and reduce ground-connecting-wall invades limit.
The perpendicular drilling of brill is applied before grooving, chute forming machine grab bucket drills into stratum along perpendicular, can significantly reduce chute forming machine entrance The difficulty on stratum, improves speed of application, reduces the abrasion of chute forming machine, and perpendicular drilling is capable of providing certain guiding function Can, reduce grooving stage ground-connecting-wall invades limit, reduces the construction cost of ground-connecting-wall.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.
Detailed description of the invention
Fig. 1 is the floor map of the utility model.
Fig. 2 is the diagrammatic cross-section of the utility model.
Appended drawing reference: 1- erects drilling, the softer ovum gravel erratic boulder stratum 2-, the harder ovum gravel erratic boulder stratum 3-, the soft or hard stratum 4- point Interface, 5- diaphram wall foundation trench, 6- diaphram wall.
Specific embodiment
The technical solution of the utility model is described further in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1-2, one kind being suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, including perpendicular drilling 1, underground connect The quantity of continuous wall base slot 5 and diaphram wall 6, the perpendicular drilling 1 is multiple and setting is at groove location, at groove location by grooving Machine is formed after softer ovum gravel erratic boulder stratum 2 hollows out, and directly carries out grooving operation using chute forming machine, multiple applying brill at groove location Extend and erect drilling 1, perpendicular drilling 1 apply boring and be formed using rotary drilling rig, and perpendicular drilling 1 all constructs to be formed using bouncing of drilling tool, guarantor The precision of the perpendicular drilling 1 of card meets design requirement.
0.8 meter of the aperture of the perpendicular drilling 1, adjacent perpendicular 2~3 meters of 1 spacing of drilling (depending on router grab bucket spacing).
Apply the purpose for boring perpendicular drilling 1: chute forming machine being facilitated to enter harder ovum gravel erratic boulder stratum 3, the grooving stage, chute forming machine along What perpendicular 1 construction of drilling can reduce construction stage diaphram wall 6 invades limit.
Softer 2 bottom of ovum gravel erratic boulder stratum be equipped with harder ovum gravel erratic boulder stratum 3, harder ovum gravel erratic boulder stratum 3 and compared with Soft or hard strata interface 4 is set as between soft ovum gravel erratic boulder stratum 2, the perpendicular drilling 1 is applied by soft or hard strata interface 4 Work, the entire depth of diaphram wall foundation trench 5 extends along harder ovum gravel erratic boulder stratum 3.
Preferably, in the present embodiment, the quantity of the perpendicular drilling 1 is two and is located at orientation under chute forming machine two sides are grabbed bucket It sets, the perpendicular drilling 1 extends along the entire depth of diaphram wall foundation trench 5.
After the completion of brill is applied in perpendicular drilling 1, the grab bucket of chute forming machine two enters harder ovum gravel erratic boulder stratum respectively along adjacent perpendicular drilling 1 It carries out grabbing native grooving operation in 3;After the construction of foundation ditch for completing diaphram wall 6, diaphram wall 6 is completed according to existing engineering method Construction.
The diaphram wall 6 is completed according to existing engineering method, and 6 top of diaphram wall is softer ovum gravel erratic boulder stratum 2,
Preferably, in the present embodiment, the chute forming machine model select LQ series continuous wall trench underground machine or XG360 can chute forming machine model be not limited to above-mentioned model.
Preferably, in the present embodiment, the model of the rotary drilling rig selects DR-100, XY-1 or KT-22, churning driven Type number is not limited to above-mentioned model.
Steps are as follows for the Specific construction for being suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall of the utility model:
Step 1 directly carries out grooving operation using chute forming machine in the softer ovum gravel erratic boulder stratum 2 in 6 top of diaphram wall;
Step 2, construction stop grooving operation when arriving soft or hard strata interface 4, apply the perpendicular drilling 1 of brill with rotary drilling rig, apply Bouncing of drilling tool construction is carried out during boring, and guarantees that the precision of perpendicular drilling 1 meets design requirement.
Wherein, it applies the purpose for boring perpendicular drilling 1: chute forming machine being facilitated to enter harder ovum gravel erratic boulder stratum 3, grooving stage, grooving Machine invades limit along what perpendicular 1 construction of drilling can reduce construction stage diaphram wall 6.
After the completion of brill is applied in step 3, perpendicular drilling 1, the grab bucket of chute forming machine two enters harder ovum gravel respectively along adjacent perpendicular drilling 1 and floats It carries out grabbing native grooving operation in stone stratum 3;
Step 4, after the construction of foundation ditch for completing diaphram wall 6, complete diaphram wall 6 according to existing engineering method and apply Work.
Technical principle of the utility model has been described above with reference to specific embodiments, is only the preferred implementation of the utility model Mode.The protection scope of the utility model is not limited merely to above-described embodiment, technology belonging to the idea of the present invention Scheme belongs to the protection scope of the utility model.Those skilled in the art, which does not need to pay for creative labor, to be associated To other specific embodiments of the utility model, these modes are fallen within the protection scope of the utility model.

Claims (8)

1. one kind is suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, including perpendicular drilling (1), diaphram wall foundation trench (5) and diaphram wall (6), which is characterized in that the quantity of the perpendicular drilling (1) is multiple and is arranged at groove location, grooving Position is formed after softer ovum gravel erratic boulder stratum (2) hollows out by chute forming machine, and softer ovum gravel erratic boulder stratum (2) bottom is equipped with harder ovum Gravel erratic boulder stratum (3) is set as soft or hard strata interface between harder ovum gravel erratic boulder stratum (3) and softer ovum gravel erratic boulder stratum (2) (4), erecting at the top of drilling (1) is soft or hard strata interface (4), also, the perpendicular drilling (1) is along harder ovum gravel erratic boulder stratum (3) The entire depth of interior diaphram wall foundation trench (5) extends, and diaphram wall (6) construction is in diaphram wall foundation trench (5).
2. according to claim 1 a kind of suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, which is characterized in that The perpendicular drilling (1) apply boring and be formed by rotary drilling rig.
3. according to claim 1 or 2 a kind of suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, feature exists In the perpendicular drilling (1) all is constructed to be formed using bouncing of drilling tool.
4. according to claim 3 a kind of suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, which is characterized in that 0.8 meter of the aperture of the perpendicular drilling (1), adjacent perpendicular 2~3 meters of (1) spacing of drilling.
5. according to claim 4 a kind of suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, which is characterized in that The quantity of the perpendicular drilling (1) is two and is located at chute forming machine two sides grab bucket lower position.
6. according to claim 5 a kind of suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, which is characterized in that The diaphram wall foundation trench (5) is grabbed bucket by chute forming machine two enters harder ovum gravel erratic boulder stratum (3) along adjacent perpendicular drilling (1) respectively Native grooving is grabbed to be formed.
7. according to claim 1 a kind of suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, which is characterized in that The model LQ series continuous wall trench underground machine or XG360 of the chute forming machine.
8. according to claim 2 a kind of suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall, which is characterized in that Model DR-100, XY-1 or KT-22 of the rotary drilling rig.
CN201821405622.2U 2018-08-29 2018-08-29 One kind being suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall Active CN208981313U (en)

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Application Number Priority Date Filing Date Title
CN201821405622.2U CN208981313U (en) 2018-08-29 2018-08-29 One kind being suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821405622.2U CN208981313U (en) 2018-08-29 2018-08-29 One kind being suitable for soft or hard uneven ovum gravel erratic boulder stratum diaphram wall

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CN208981313U true CN208981313U (en) 2019-06-14

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